Spiking neural network simulation: memory-optimal synaptic event scheduling

Authors:
Robert D. Stewart;Kevin N. Gurney
Affiliations:
Department of Psychology, University of Sheffield, Sheffield, UK S10 2TP;Department of Psychology, University of Sheffield, Sheffield, UK S10 2TP
Venue:
Journal of Computational Neuroscience
Year:
2011

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Abstract

Spiking neural network simulations incorporating variable transmission delays require synaptic events to be scheduled prior to delivery. Conventional methods have memory requirements that scale with the total number of synapses in a network. We introduce novel scheduling algorithms for both discrete and continuous event delivery, where the memory requirement scales instead with the number of neurons. Superior algorithmic performance is demonstrated using large-scale, benchmarking network simulations.